We show that the proposed approach, though simple and straightforward, can surpass previous state-of-the-arts [1]}, [2]}, [3]}, [4]} by a large margin. On Pascal VOC 2012 [5]}, this approach outperforms previous best methods that w/o self-training by +37.8 hIoU , and by +29.5 hIoU when an additional self-training process is involved. On COCO Stuff [6]}, the approach outperforms previous best methods that w/o self-training by +19.6 hIoU and by +8.9 hIoU when an additional self-training process is involved. We hope our simple but effective approach can encourage more study in this direction.
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